/Engine/Source/Editor/UnrealEd/Public/DataTableEditorUtils.h
Fills in an array with all possible DataTable structs, unloaded and loaded
static void GetPossibleStructAssetData ( [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & StructAssets )